Humans have about 800 muscles. An adult grasshopper has about 900 muscles, and a butterfly caterpillar has about 4,000 muscles.
Jun 11 2000, 3:20 PM
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zbeckabee Moderator 17 year member
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Caterpillars have 4,000 muscles (compare humans, with 629). They move through contraction of the muscles in the rear segments pushing the blood forward into the front segments elongating the torso. The average caterpillar has 248 muscles in the head segment alone.